/**
 * Created by jiachenpan on 16/11/18.
 */


export function printer(table){
  var div_print = document.getElementById(table);
  var newStr = div_print.innerHTML;
  var oldStr = document.body.innerHTML;
  document.body.innerHTML = newStr;
  window.print();
  window.location.reload();
  window.body.innerHTML = oldStr;
  return false;
}

export function parseTime(time, cFormat) {
    if (arguments.length === 0) {
      return null
    }
    const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
    let date
    if (typeof time === 'object') {
      date = time
    } else {
      if (('' + time).length === 10) time = parseInt(time) * 1000
      date = new Date(time)
    }
    const formatObj = {
      y: date.getFullYear(),
      m: date.getMonth() + 1,
      d: date.getDate(),
      h: date.getHours(),
      i: date.getMinutes(),
      s: date.getSeconds(),
      a: date.getDay()
    }
    const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
      let value = formatObj[key]
      if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
      if (result.length > 0 && value < 10) {
        value = '0' + value
      }
      return value || 0
    })
    return time_str
  }
  
  export function formatTime(time, option) {
    time = +time * 1000
    const d = new Date(time)
    const now = Date.now()
  
    const diff = (now - d) / 1000
  
    if (diff < 30) {
      return '刚刚'
    } else if (diff < 3600) { // less 1 hour
      return Math.ceil(diff / 60) + '分钟前'
    } else if (diff < 3600 * 24) {
      return Math.ceil(diff / 3600) + '小时前'
    } else if (diff < 3600 * 24 * 2) {
      return '1天前'
    }
    if (option) {
      return parseTime(time, option)
    } else {
      return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
    }
  }
  
  // 格式化时间
  export function getQueryObject(url) {
    url = url == null ? window.location.href : url
    const search = url.substring(url.lastIndexOf('?') + 1)
    const obj = {}
    const reg = /([^?&=]+)=([^?&=]*)/g
    search.replace(reg, (rs, $1, $2) => {
      const name = decodeURIComponent($1)
      let val = decodeURIComponent($2)
      val = String(val)
      obj[name] = val
      return rs
    })
    return obj
  }
  
  /**
   *get getByteLen
   * @param {Sting} val input value
   * @returns {number} output value
   */
  export function getByteLen(val) {
    let len = 0
    for (let i = 0; i < val.length; i++) {
      if (val[i].match(/[^\x00-\xff]/ig) != null) {
        len += 1
      } else { len += 0.5 }
    }
    return Math.floor(len)
  }
  
  export function cleanArray(actual) {
    const newArray = []
    for (let i = 0; i < actual.length; i++) {
      if (actual[i]) {
        newArray.push(actual[i])
      }
    }
    return newArray
  }
  
  export function param(json) {
    if (!json) return ''
    return cleanArray(Object.keys(json).map(key => {
      if (json[key] === undefined) return ''
      return encodeURIComponent(key) + '=' +
              encodeURIComponent(json[key])
    })).join('&')
  }
  
  export function param2Obj(url) {
    const search = url.split('?')[1]
    if (!search) {
      return {}
    }
    return JSON.parse('{"' + decodeURIComponent(search).replace(/"/g, '\\"').replace(/&/g, '","').replace(/=/g, '":"') + '"}')
  }
  
  export function html2Text(val) {
    const div = document.createElement('div')
    div.innerHTML = val
    return div.textContent || div.innerText
  }
  
  export function objectMerge(target, source) {
    /* Merges two  objects,
       giving the last one precedence */
  
    if (typeof target !== 'object') {
      target = {}
    }
    if (Array.isArray(source)) {
      return source.slice()
    }
    for (const property in source) {
      if (source.hasOwnProperty(property)) {
        const sourceProperty = source[property]
        if (typeof sourceProperty === 'object') {
          target[property] = objectMerge(target[property], sourceProperty)
          continue
        }
        target[property] = sourceProperty
      }
    }
    return target
  }
  
  export function scrollTo(element, to, duration) {
    if (duration <= 0) return
    const difference = to - element.scrollTop
    const perTick = difference / duration * 10
    setTimeout(() => {
      element.scrollTop = element.scrollTop + perTick
      if (element.scrollTop === to) return
      scrollTo(element, to, duration - 10)
    }, 10)
  }
  
  export function toggleClass(element, className) {
    if (!element || !className) {
      return
    }
    let classString = element.className
    const nameIndex = classString.indexOf(className)
    if (nameIndex === -1) {
      classString += '' + className
    } else {
      classString = classString.substr(0, nameIndex) + classString.substr(nameIndex + className.length)
    }
    element.className = classString
  }
  
  export const pickerOptions = [
    {
      text: '今天',
      onClick(picker) {
        const end = new Date()
        const start = new Date(new Date().toDateString())
        end.setTime(start.getTime())
        picker.$emit('pick', [start, end])
      }
    }, {
      text: '最近一周',
      onClick(picker) {
        const end = new Date(new Date().toDateString())
        const start = new Date()
        start.setTime(end.getTime() - 3600 * 1000 * 24 * 7)
        picker.$emit('pick', [start, end])
      }
    }, {
      text: '最近一个月',
      onClick(picker) {
        const end = new Date(new Date().toDateString())
        const start = new Date()
        start.setTime(start.getTime() - 3600 * 1000 * 24 * 30)
        picker.$emit('pick', [start, end])
      }
    }, {
      text: '最近三个月',
      onClick(picker) {
        const end = new Date(new Date().toDateString())
        const start = new Date()
        start.setTime(start.getTime() - 3600 * 1000 * 24 * 90)
        picker.$emit('pick', [start, end])
      }
    }]
  
  export function getTime(type) {
    if (type === 'start') {
      return new Date().getTime() - 3600 * 1000 * 24 * 90
    } else {
      return new Date(new Date().toDateString())
    }
  }
  
  export function debounce(func, wait, immediate) {
    let timeout, args, context, timestamp, result
  
    const later = function() {
      // 据上一次触发时间间隔
      const last = +new Date() - timestamp
  
      // 上次被包装函数被调用时间间隔last小于设定时间间隔wait
      if (last < wait && last > 0) {
        timeout = setTimeout(later, wait - last)
      } else {
        timeout = null
        // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
        if (!immediate) {
          result = func.apply(context, args)
          if (!timeout) context = args = null
        }
      }
    }
  
    return function(...args) {
      context = this
      timestamp = +new Date()
      const callNow = immediate && !timeout
      // 如果延时不存在，重新设定延时
      if (!timeout) timeout = setTimeout(later, wait)
      if (callNow) {
        result = func.apply(context, args)
        context = args = null
      }
  
      return result
    }
  }
  
  export function deepClone(source) {
    if (!source && typeof source !== 'object') {
      throw new Error('error arguments', 'shallowClone')
    }
    const targetObj = source.constructor === Array ? [] : {}
    for (const keys in source) {
      if (source.hasOwnProperty(keys)) {
        if (source[keys] && typeof source[keys] === 'object') {
          targetObj[keys] = source[keys].constructor === Array ? [] : {}
          targetObj[keys] = deepClone(source[keys])
        } else {
          targetObj[keys] = source[keys]
        }
      }
    }
    return targetObj
  }
  
  // get dependencies verison from package.json
  export function getVersion(name) {
    const p = require('../../package')
    return p.dependencies[name]
  }
  